<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>活动管理</el-breadcrumb-item>
      <el-breadcrumb-item>活动列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card class="box-card">
      <el-row :gutter="20">
        <el-col :span="8">
          <!-- 搜索添加区域 -->
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="username" label="姓名"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"> </el-table-column>
        <el-table-column prop="role_name" label="角色"> </el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-tooltip
              class="item"
              effect="dark"
              content="修改"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="primary"
                icon="el-icon-edit"
                size="mini"
                @click="showEditDialog(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 删除按钮 -->
            <el-tooltip
              class="item"
              effect="dark"
              content="删除"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUserById(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 分配角色按钮 -->
            <el-tooltip
              class="item"
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <div class="block">
        <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[1, 2, 5, 10]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total"
        >
        </el-pagination>
      </div>
    </el-card>
    <!-- 添加用户对话框 -->
    <el-dialog
            title="添加用户"
            :visible.sync="addDialogVisible"
            width="50%"
            @close="addDialogClosed">
            <!-- 内容主体区域 -->
             <el-form ref="addFormRef" :model="addForm" :rules="addFormRules" label-width="70px">
                <!-- 用户名 -->
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username" prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
                </el-form-item>
                 <!-- 邮箱 -->
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email" prefix-icon="iconfont icon-3702mima"></el-input>
                </el-form-item>
                <!-- 电话号码 -->
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="addForm.mobile" prefix-icon="iconfont icon-3702mima"></el-input>
                </el-form-item>
            </el-form>
            <!-- 底部区域 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog
            title="修改用户"
            :visible.sync="editDialogVisible"
            width="50%"
            @close="editDialogClosed">
            <!-- 内容主体区域 -->
            <el-form ref="editFormRef" :model="editForm" :rules="editFormRules" label-width="70px">
                <!-- 用户名 -->
                <el-form-item label="用户名">
                    <el-input disabled v-model="editForm.username" prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                 <!-- 邮箱 -->
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email" prefix-icon="iconfont icon-3702mima"></el-input>
                </el-form-item>
                <!-- 电话号码 -->
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="editForm.mobile" prefix-icon="iconfont icon-3702mima"></el-input>
                </el-form-item>
            </el-form>
            <!-- 底部区域 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo()">确 定</el-button>
            </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog
            title="分配角色"
            :visible.sync="setRoleDialogVisible"
            width="50%"
            @close="setRoleDialogVisibleClosed">
            <!-- 内容主体区域 -->
           <div>
             <p>当前的用户：{{userInfo.username}}</p>
             <p>当前的角色：{{userInfo.role_name}}</p>
             <p>分配新角色：
               <el-select v-model="selectedRoleId" placeholder="请选择">
                <el-option
                  v-for="item in roleList"
                  :key="item.id"
                  :label="item.roleName"
                  :value="item.id">
                </el-option>
              </el-select>
             </p>
           </div>
            <!-- 底部区域 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRoleDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    //验证邮箱的校验规则
    var checkEmail = (rule,value,cb) => {
        //验证邮箱的正则表达式
        const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
        if(regEmail.test(value)){
            //校验通过
            return cb()
        }
        cb(new Error('请输入合法的邮箱'))
    }
    //验证手机号的校验规则
    var checkMobile = (rule,value,cb) => {
        //验证手机号的正则表达式
        const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
        if(regMobile.test(value)){
            //校验通过
            return cb()
        }
        cb(new Error('请输入合法的手机号'))
    }

    return {

      //获取用户列表参数
      queryInfo: {
        query: '',
        //当前页数
        pagenum: 1,
        //当前页显示条数
        pagesize: 2,
      },
      userlist: [],
      total: 0,
      //对话框的隐藏状态
      addDialogVisible:false,
      //添加用户表单数据
      addForm:{
          username:'',
          password:'',
          email:'',
          mobile:''
      },
      //添加表单验证规则
      addFormRules:{
        //验证用户名是否合法
         username: [
            { required: true, message: "请输入用户名称", trigger: "blur" },
            { min: 3,max: 10, message: "长度在 3 到 10 个字符",trigger: "blur"}
        ],
        //验证密码是否合法
        password: [
            { required: true, message: "请输入登录密码", trigger: "blur" },
            { min: 6,max: 15,message: "长度在 6 到 15 个字符",trigger: "blur"}
        ],
        //验证邮箱是否合格
        email: [
            { required: true, message: "请输入邮箱", trigger: "blur" },
            { validator:checkEmail, trigger: "blur"}
        ],
        //验证电话号码是否合格
        mobile: [
            { required: true, message: "请输入电话号码", trigger: "blur" },
            { validator:checkMobile, trigger: "blur"}
        ]
    },
      //用于控制修改用户对话框的显示与隐藏
      editDialogVisible:false,
      //查询到的用户信息
      editForm:{},
      //添加表单验证规则
      editFormRules:{
              //验证邮箱是否合格
          email: [
              { required: true, message: "请输入邮箱", trigger: "blur" },
              { validator:checkEmail, trigger: "blur"}
          ],
          //验证电话号码是否合格
          mobile: [
              { required: true, message: "请输入电话号码", trigger: "blur" },
              { validator:checkMobile, trigger: "blur"}
          ]
      },
      //控制分配角色对话框的显示与隐藏
      setRoleDialogVisible:false,
      //需要被分配角色的用户信息
      userInfo:{},
      //所有角色的数据列表
      roleList:[],
      //已选中的角色id值
      selectedRoleId:''

    }
   
  },
  created() {
    this.getUserList()
  },
  methods: {
    //获取用户列表
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo,
      })
      if (res.meta.status !== 200)
        return this.$message.error('获取用户列表失败')
      this.userlist = res.data.users
      this.total = res.data.total
      //console.log(res)
    },
    //监听pagesize改变的事件
    handleSizeChange(newSize){
        //console.log(newSize);
        this.queryInfo.pagesize = newSize
        this.getUserList()
    },
    //监听页码值改变的事件
    handleCurrentChange(newPage){
        //console.log(newPage);
        this.queryInfo.pagenum=newPage
        this.getUserList()
    },
    //监听switch开关状态的改变
    async userStateChanged(userinfo){
        const {data:res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
        if(res.meta.status !==200){
           userinfo.mg_state = !mg_state
           return this.$$message.error("更新用户状态失败!")
        }
        this.$message.success(res.meta.msg)
    },
    //监听添加用户对话框的关闭事件
    addDialogClosed(){
        this.$refs.addFormRef.resetFields()
    },
    //添加用户操作
    addUser(){
        this.$refs.addFormRef.validate(async valid => {
            if(!valid) return 
            //可以发起添加用户的网络请求
            const {data:res} = await this.$http.post('users',this.addForm)
            if(res.meta.status !== 201){
                this.$message.error('添加用户失败')
            }
            this.$message.success('添加用户成功')
            //隐藏添加用户的对话框
            this.addDialogVisible = false
            //重新获取用户列表
            this.getUserList()
        })
    },
    //展示编辑用户的对话框
    async showEditDialog(id){
        //console.log(id);
        const {data:res} = await this.$http.get('users/' + id)
        if(res.meta.status !== 200){
            return this.$message.error('查询用户信息失败')
        }
        this.editForm = res.data
        this.editDialogVisible = true
    },
    //监听修改用户对话框的关闭事件
    editDialogClosed(){
        this.$refs.editFormRef.resetFields()
    },
    //根据id修改数据并提交
    editUserInfo(){
        // console.log(this.editForm.id);
        this.$refs.editFormRef.validate(async valid => {
            if(!valid) return
            //发起修改用户信息的网络请求
            const {data:res} = await this.$http.put('users/'+this.editForm.id,{
                email:this.editForm.email,
                mobile:this.editForm.mobile
            })
            if(res.meta.status!==200){
                this.$message.error('更新用户信息失败！')
            }

            //关闭对话框
            this.editDialogVisible = false
            //刷新数据列表
            this.getUserList()
            //提示修改成功
            this.$message.success('更新用户信息成功！')
            
        })

    },
    //根据id删除对应用户信息
    async removeUserById(id){
        //console.log(id);
        //弹框询问用户是否删除用户
        const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          showCancalButton: true,
          showConfirmButton:true,
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)

        //如果用户确定，则返回字符串confirm
        //如果用户取消了删除，则返回字符串cancel
        if(confirmResult !== 'confirm'){
            return this.$message.info('已经取消删除')
        }

        const {data:res} = await this.$http.delete('users/' + id)
        if(res.meta.status !== 200){
            return this.$message.error('删除用户失败！')
        }
        this.$message.success('删除用户信息成功！')
        this.getUserList()
        //console.log('确认了删除');
    },
    //展示分配角色的对话框
    async setRole(userInfo){
      this.userInfo=userInfo

      //在展示对话框之前，获取所有的角色列表
      const {data:res} = await this.$http.get('roles')
      if(res.meta.status !== 200){
        return this.$message.eror('获取所有的角色列表失败')
      }
      this.roleList = res.data

      this.setRoleDialogVisible = true
    },
    //点击按钮，分配角色
    async saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error('请选择要分配的角色!')
      }
      const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{
        rid:this.selectedRoleId
      })
      if(res.meta.status!==200){
        return this.$message.error('更新角色失败!')
      }
      this.$message.success('更新角色成功')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    //监听分配角色对话框关闭事件
    setRoleDialogVisibleClosed(){
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  },
}
</script>

<style lang="less" scoped>
</style>